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Code Activity
5964 commits 43 branches 51 tags 169 MiB
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90 commits

Author SHA1 Message Date
Nikolaj Bjorner
189d449cff fix generation of wcnf 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-12-18 14:49:45 -08:00
Nikolaj Bjorner
ea601dd403 fix and coallesce clique functionality 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-11-19 03:55:48 -08:00
Christoph M. Wintersteiger
bfaa9ddf63 Fixed potential SAT solver cleanup problem. Renamed functions for consistency. Relates to #570. 2016-11-14 17:42:21 +00:00
Christoph M. Wintersteiger
890142ef96 Fix cleanup/initialization of sat::simplifier. Relates to #570. 2016-11-14 17:42:20 +00:00
Nikolaj Bjorner
e0613b6737 fix crash reported in #784 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-11-12 08:58:03 -08:00
Nikolaj Bjorner
3714e520be fix performance bottlnecks: gc of literals walk through potentially huge watch-lists, avoid user-push/pop around calls to solver2tactic 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-28 08:27:11 -07:00
Nikolaj Bjorner
ca309341c3 fixing cancellation code paths for inc_sat_solver 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-27 22:07:46 -07:00
Nikolaj Bjorner
24fc19ed58 speed up consequence finding by avoiding local search whenver assumption level is reached during the initial phase 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-27 08:15:39 -07:00
Nikolaj Bjorner
4bd83724dd remove conflict on false disequality, introduced regression 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-26 19:15:05 -07:00
Nikolaj Bjorner
e4d2c5867a remove dead (and incorrect) code 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-24 15:52:47 -07:00
Nikolaj Bjorner
d060359f01 add fd solver for finite domain queries 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-18 22:34:34 -04:00
Nikolaj Bjorner
aec59e4ff7 add consequence finding to inc-sat-solver 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-16 15:43:28 -04:00
Nikolaj Bjorner
8d2b70a5e2 better encodings for at-most-1, #755 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-10 23:46:03 -07:00
Nikolaj Bjorner
619cce0a52 add mutex preprocessing to maxsat, add parsing functions to C++ API 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-10-07 12:42:08 -07:00
Nikolaj Bjorner
f2b5c11d1c add option for prettier proof printing, Issue #706 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-08-20 03:52:45 -07:00
Nikolaj Bjorner
96e157e201 fix warnings for unused variables 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-05-17 13:54:22 -07:00
Nikolaj Bjorner
00f3a1fe81 fix memory leak in SAT solver exposed by regression tests 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-06 11:47:45 -08:00
Nikolaj Bjorner
aec5a38b14 fix memory leak in SAT solver exposed by regression tests 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2016-01-06 11:44:55 -08:00
Nikolaj Bjorner
baee4225a7 reworking cancellation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-12-11 16:21:24 -08:00
Nikolaj Bjorner
9b3e242990 adding rlimit resource limit facility to provide platform and architecture independent method for canceling activities 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-09-28 13:37:59 -07:00
Nikolaj Bjorner
2bff98ca5d enable incremental bit-vector solving 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-09-01 09:52:48 -07:00
Nikolaj Bjorner
cc5d719d9e enable incremental bit-vector solving 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-09-01 09:48:35 -07:00
Nikolaj Bjorner
0ed38ed59b add option for using corr set and use partial cores 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-08-30 14:48:24 -07:00
Nikolaj Bjorner
dd01f6be46 fix blockers for pd-maxres 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-08-29 15:42:19 -07:00
Nikolaj Bjorner
e4ce6b6d74 update pd-maxres 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-08-29 14:23:32 -07:00
Nikolaj Bjorner
2fe0c05556 tuning pd-maxres 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-08-28 20:25:25 -07:00
Nikolaj Bjorner
78313c614d updateing pd-maxres 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-08-27 15:43:35 -07:00
Nikolaj Bjorner
8622356375 working on pd-maxres 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-08-27 08:09:46 -07:00
Nikolaj Bjorner
7c47809973 reworking pd-maxres 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-08-26 16:33:53 -07:00
Nikolaj Bjorner
af9143b64a tune initial propagation for pd-maxres 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-08-25 17:15:31 -07:00
Nikolaj Bjorner
b2ebd095cb fix for unintialized variable m_conflict_lvl 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-08-24 17:01:46 -07:00
unknown
42c7277ea8 Merge branch 'unstable' of https://github.com/Z3Prover/z3 into unstable 2015-08-23 12:09:51 -07:00
Nikolaj Bjorner
ee458fa601 revising pd-maxres 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-08-23 12:09:07 -07:00
unknown
b06c4d985e Merge branch 'unstable' of https://github.com/Z3Prover/z3 into unstable 2015-08-23 10:58:28 -07:00
unknown
2b48092541 local sat solver change 
Signed-off-by: unknown <nbjorner@nikolaj-z.redmond.corp.microsoft.com>
 2015-08-23 10:58:12 -07:00
Nikolaj Bjorner
546a9b8f03 revising pd-maxres 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-08-23 10:53:39 -07:00
Nikolaj Bjorner
a78fc031bc adding facility to dump wcnf benchmarks 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-08-21 07:26:49 -07:00
Nikolaj Bjorner
954e612188 redoing pd-maxres 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-08-20 18:09:43 -07:00
Nikolaj Bjorner
a9807878ea reworking pd-maxres 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-08-20 12:20:30 -07:00
Nikolaj Bjorner
e3cb0e2d8b reworking pd-maxres 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-08-20 12:06:27 -07:00
Nikolaj Bjorner
64bd62b17e fix gcc compiler warnings 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-05-16 11:56:04 +01:00
Nikolaj Bjorner
52619b9dbb pull unstable 
Signed-off-by: Nikolaj Bjorner <nbjorner@hotmail.com>
 2015-04-01 14:57:11 -07:00
nikolajbjorner
0d9f949ab2 Fix memory smash on double free of clauses 
Signed-off-by: nikolajbjorner <nbjorner@microsoft.com>
 2015-02-23 10:28:32 -08:00
Nikolaj Bjorner
8141dadc89 break on small cores 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-02-08 10:22:06 +01:00
Nikolaj Bjorner
761c7d9a40 adding annotation to logging to show number of columns and rows, adding dual propagation sketch 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-01-25 04:01:18 -08:00
Nikolaj Bjorner
552cbd840f adding soft-assertions 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-01-23 13:06:11 -08:00
Nikolaj Bjorner
f1d9228b94 fix bug in context push/pop for sat solver 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2015-01-20 16:30:46 -08:00
Nikolaj Bjorner
c706e91019 merge with unstable 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-10-05 10:37:55 -07:00
Nikolaj Bjorner
db20b2502d try qx 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-10-04 19:50:42 -07:00
Nikolaj Bjorner
6a3f75822d fix format bug (issue 126) and smaller nits in sat solver (const annotation, disable elimination of external or already elimianted variables) 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2014-10-04 18:35:18 -07:00